Apparatus for making paper bottles



Feb. 28. 1928.

A. BODOR APPARATUS FORMAKING PAPER BOTTLES e Shets-Sheet 1 Original Filed June 5,1924

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6 Sheets-Sheet 5 A. BODOR APPARATUS FOR MAKING PAPER BOTTLES Original Filed June 5. 1924 Feb. 28. 1928.

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A. BOD-OR APPARATUS FOR'MAKING PAPER BOTTLES Feb. 2 1928.

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ATTORNEY.

Feb. 28, 1928.

A. BODOR APPARATUS FOR MAKING PAPER BOTTLES 6 Sheets-Sheet 5 Original Filed June 5.

M n Q ATTORNEY I Feb. 28. 1928. 1,660,411

A. BODOR APPARATUS FOR MAKING PAPER BOTTLES Original Filed June 5. 1924 6 sheets-sh et 6 IN VEN TOR.

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ATTORNEY- ning of the compressive period and releasing Patented Feb. 28, 1928.

UNITED STATES PATENT o -"rics.

ANDREW BODOR, OF IRVINGTON, NEW JERSEY, ASSIGNOR, BY MESNE ASSIGNMENTS,

TO REINFORCED PAPER BOTTLE CORPORATION, OF NEW YORK, N. Y., A CORPORA- TION OF DELAWARE.

APPARATUS FOR MAKING PAPER BOTTLES.

Application filed June 5, 1924, Serial No. 717,924. Renewed July 21, 1927.

Among the principal objects which the present invention has in View are to solidify the body and structural features thereof, of a liquid container; to compress in rigid shape, a liquid container constructed from iibrous material; to provide a press of the character mentioned with means for laterally contracting and expanding the compression elements thereof at the end of, and beginperiod of the operation of the apparatus;

to shape and solidify the reinforcing elementwith which the container is provided; to pro-, vide a series of reinforcing elements for strengthening the receptacle in service; to provide an apparatus, the operations of which may be rapidly repeated; and to provide a simplified and durable construction for accomplishing the above stated purposes.

Drawings.

larged scale showing the machine elements in" their fully closed relation with the-completed product therebetween, the elements being partially cut away and sectioned to show the interior construction. I

Figure 4 is a similar View showing the elements partially separated as at the beginning of the retractive movement of the press.

Figure 5 is a similar .iCW showing the elements in their fully separated relation at a further step in the recession of the press.

Figure 6 is a series of sections each series of sections progressively arranged from left to right to illustrate the closing action of the separable die plates incident to the movement of the die socket.

Figure 7 is a cross section of the apparatus taken on the line 7 -7 in Figure 3.

Figure 8 IS a cross section taken on the line 88 in Figure 3.

Figure 9 is a cross section taken on the line 9-9 in Figure 3. V

Figure 10 is a section taken on the line ].010 in Figure 3.

Figure 11 is a schematic View showing in detail and in section, fragments of the separable die, the shaping mandrel, and fragments of the product of the'operation of the apparatus therebetween, the purpose the completion of theoperation of the pres-;

ent apparatus.

Description.

The hereindisclosed apparatus is designed chiefly to operate in conjunction with two other apparatuses, the combined results of the operation of which, is the production of a paper bottle or container constructed from laminations of sheet paper or similar material.

In the complete. operation, the present apparatus performs what may be termed the second major operation, which in briefconsists in molding and setting the bod y of the bottle after it has been partially completed by an apparatus disclosed in an application for Letters Patent. filed the 31st day of May, 1924, Serial No. 716,968, for improvements. in apparatus for making liquid containers from fibrous materials, to which application cross reference is here made.

The body of the container abovereferred to is open-ended and is provided at the one end with an annular thickened portion A,

adapted to be formed into a lip or molded mouth edge B for the container as best seen in Figures 1. 2 and 3, respectively, of the drawings. The body portion of the product thus delivered by the former apparatus is wrapped and cemented relatively loosely. It is a part of the function of the present apparatus torompress the said body portion into a more solid construction, and preferably one having reinforcing members extended from the sideand disposed lengthwise thereof.

Referring to the drawings the open-ended tubular body shown in Figure 1 of the drawings and there indicated by theletter (l, is placed over and adjusted upon a stationary mandrel having a cylindrical portion 20 and a frusto-conical portion 21. lrVhen so adjusted, it will be found the lower edge of the body C rests upon the trucd surface of an annular boss 22. The boss 22 is integral move whenever the contracting die sections 24 are to be disposed over the container body and the mandrel on which the same is mounted.

The shell 25 and parts contained therein are further guided in their action by the plunger 28 which is mounted in the bearing formed in the boss 29. The boss 29 set out from the cross head 30 and is integral therewith as is also a boss 31 through which extends a shaft 32 carrying a Weighted fly wheel 33, and a small gear toothed pinion wheel, the teeth of which engage rack teeth formed on the underside of. the plunger 28.

While I have herein disclosed the mechanism for applying power on the body C as manually operated, ,it will be understood that I may e1destitutetherefor any known and suitable power-driven mechanism.

As best seen in Figures 2 to 4 inclusive, the die members 24 are normally extended beyond the shell 25 and separated from one another as indicated in Figure 6 of the drawings and at the left of the series of diagrams shown therein. The spaced relation of the die members is normally maintained by springs 35. The springs 35 are located in recesses 36 formed at intervals in the meeting edges of the die members. A series of guide pins 37 avoid any relative displacement of the members when the gaps 38 are opened. It will be understood that the relative movement of the die members, each to the other, is perpendicular to the edges of the die members and of the gaps 38 formed therebetween.

In the operation of the apparatus it will be understood that the die members 24 do not begin to contract until the extremities of said die members contact with and rest upon the surface of the annular boss 22.

It has beenthought expedient to show in the drawings, as in Figure 3, the completely closed position of the apparatus and the tinished product of the press as held therein. This is the position where the shell 25 has been forced to the limit of its outward power stroke. From this point the shell is retraoted until in the position shown in Figure 1 of the drawings, Where the clearance between the die members 24 and the mandrel end 21 is suflicient to remove the tubular body C. 'When closing over the die sections 24 the friction is reduced by the friction bearing balls 39, of which there are a number of series, the members of each series being held by a strap 40 in the nature of the usual race provided in ball bearings for shafts. Each strap 40 is normally held sus-' pended by and from spiral springs 41 that are anchored to screws 42 The straps 40 and the balls 39 mounted therein are housed in grooves 43. The grooves 43 engage the screws 42 to guide the said sections, the screws 42 being permanent- 1y mounted in the shelL25, as seen best in Figures 3 and 4 of the drawings.

It is obvious that as the tapered shell 25 is lifted from the die members 24, said members are expanded radially by the springs 35.

In Figure 3 of the drawings, the die members 24 and parts associated therewith are shown in their completely contracted position. Also the shaping die head 44 is in place with the edge B of the container forced thereagainst.

In this position it will be noted, a spring 45 is fully compressed. Thespring is comressed around the neck 46 of the head 44. The head 44 and neck 46 are perforated to receive the small Plunger 47 which is permanently secured to the plunger 28'to which it is securely pinned when assembled by the pin 48 which also holds the plunger 28 to the shell 25. The outward extremity of the plunger 47 is reciprocatively mounted in a socket 49.

A head with which the plunger 47'is provided is, shouldered to engage the head 44 when the plunger 47 is drawn outward from the socket 49' in the mandrel, whereby the head 44 is lifted or withdrawn from engagement with the edge 13 of the container body subsequent to the expansion of the die members 24 which have been permitted to expand by the withdrawalof the shell 25,

prior to the engagement of the head 44 by the head 50. Y

In Figure 4 of the drawings the parts are shown in the position where the' head 50 has engaged the head 44 and has withdrawn the same from engagement with the edge B. In this position it will be observed, the spring 45 is fully expanded. I

It will also be observed by reference to Figure 4, that the die members 24 have ex- III) . panded away from the body C and from the edge B thereof. I In Figure 5 of the drawings, the die head 44 18 shown as engaging the flanges 51 of the members 24 so as thereafter to move the disclosed, the shell 25 and die members 24 mounted therein and extended therefrom, as in the position seen in Figure 5, is moved over the tubular body C, which has been manually disposed on the mandrel and the sections 20 and 21 thereof. As described, the members 24 are not contracted until they are arrested by engagement with the boss 22. At this moment, the die head 44 and parts as-. sociated therewith are in the position shown in Figure 4 of the drawings.

As the movement of the shell 25 continues from this stage of the operation, the spring 45 operates to seat the head 44 upon the mandrel prior to the engagement of the edge B of the container by the annular grooved sections 52 in the die sections 24. During the remainder of the travel of the shell 25,

= the die head 44 remains inert while the die members 24 compress the edge B upon the edge of the said die member with the result that the rounded outer form of the edge B and the square shouldered seat D is shaped by the die head 44, and the grooves 52. It is during this portion of the movement of the shell 25 that the spring 45 yields maintain ing a pressure on the die head 44 to maintain the seat thereof.

It will be noted that during the period when the shell 25 is moving relatively over the die members 24, that the balls 39 receive the direct pressure and rolling between the said shell and die members reducesor avoids any skin friction therebetween.

The slight travel of the balls 39 and the straps 40 in. which the dent to the rolling of t e said balls is compensated for or allowed by the springs 41.

When the shell 25 is retracted, the springs 41 take up or withdraw the said straps and balls to restore the same to their original or initial operating position.

The body C when placed on the mandrel prior to being treated by the present apparatus is relatively soft, and the outer surface is nnbrokenly cylindrical. After the completion of treatment by this apparatus, a series of outwardly extended slightly raised ribs E are formed on the body C. The ribs are mounted inci- E are the result of the contraction annularly of the die members -24.-

In Figure 11, there is shown schematically, fragments of the mandreland the cylindrical portion 20 thereof, and 1n connection with the fragments of the mandrel are shown fragments of the die members 24, at different stages of their compression from what might be termed the initial to the final step. At theleft of the said Figure 11, the View shows the die members as contacting under slight pressure with the body C. The view at the middle of the said figure, discloses the further contraction of the die members 24, and the beginning of the formation of the ribs E, also the lirst step in partially condensing the body C. At the right of Figure 11, the sections 24- are shown in their fully contracted position, the body C having been compressed or condensed and the ribs E fully developed.

It will be noted thatthe rib E has also been compressed or condensedso that when the die members 24 expand, it will be found that the body C has been hardened or rendered more rigid and that the ribs E constitute a reinforcing element thereon, at the quarter sections thereof, as will be seen by reference to Figures 7 to 10 inclusive where the body 0 and the ribs E are shown at ditl'erent portions of the mandrel and die sections, the same being illustrated as under extreme compression.

The movement of the die members 24 in relation to the body C is illustrated in the serial views shown in Figure 6 of the drawings. It will be understood that the section plane of 'the cylindrical portion 20 of the mandrel and of the die members 24 is that taken on. the line 66 in Figure 3 of the drawings, while the sections of the shell 25 are on progressive planesf In this figure it is clearly illustrated that the members 24 are I united; an inwardly tapered shell conforming in shape to the exterior of said die members; and power means for forcing said shell over said die members to close the same upon each other.

2. An apparatus as characterized comprising a mandrel shaped in correspondence with the inside of a bottle; a. die embodying a plurality of separable members resiliently united; an inwardly tapered shell conforming in shape to the exterior of sad the members; power means for forcing said shell over Ill) said die members to close the same upon each other; and a plurality of friction reducing devices interposed between said shell and die members for reducing the friction therebetween. 3. An apparatus as characterized compristhe inside of a bottle; a die embodying a plurality of separable members resiliently united; an inwardly tapered shell conforming in shape to the exterior of said die members; power means for forcing said shell over said die members to close the same upon each other; a plurality of rolled members operatively disposed between said shell and die members, said rolled members being cooperatively disposed for reducing the friction between said die members and said shell; and resilient means for movlng sald rolled members to the initial positon thereof mg a mandrel shaped in correspondence with.

when said shell is withdrawn from contactual relation to said die members.

4. An apparatus as characterized compris- ,ing a mandrel shaped in conformity to the interior of the product being manufactured by a die head cooperatively disposed with reference to said mandrel, said head being externally shaped in correspondence with the interior of the delivery end of said product; a con'ipressible die' embodying a plurality of resiliently connected members shaped in conformity with the exterior of said product when drawn together; an inwardly tapered shell encompassing said die members for moving the same toward one another, said shell supporting said head, die member, and expansible die members; and a resilient conmotion for said die members and said shell.

ANDREWV BODOR. 

